2919190147 has 4 divisors (see below), whose sum is σ = 2998087216. Its totient is φ = 2840293080.

The previous prime is 2919190117. The next prime is 2919190151. The reversal of 2919190147 is 7410919192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2919190147 is a prime.

It is a super-2 number, since 2×2919190147² = 17043342228683763218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2919190117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39448479 + ... + 39448552.

It is an arithmetic number, because the mean of its divisors is an integer number (749521804).

Almost surely, 2^2919190147 is an apocalyptic number.

2919190147 is a deficient number, since it is larger than the sum of its proper divisors (78897069).

2919190147 is an equidigital number, since it uses as much as digits as its factorization.

2919190147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78897068.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 2919190147 is about 54029.5303237035. The cubic root of 2919190147 is about 1429.1817489435.

The spelling of 2919190147 in words is "two billion, nine hundred nineteen million, one hundred ninety thousand, one hundred forty-seven".